Saw set



H.- L. THOMAS 'sAw SET 1 May .1, 1923; 1,453,958

Filed Sept. 19 1921 2 Sheets-Sheet 1 m 9 1 .L. v. a M

H. L. THOMAS SAW SET Filed Sept. 19 1921 2 Sheets-Sheet 2 I I gmumfloz HZZamas 3 Patented May 1, 1923.

tree stares resets HAYNES L. THO MAS, OF BRUNSWICK, GEORGIA.

SAW SET.

Application filed September 19, 1921.. Serial 110.501 5 85.

To all whom it may concern:

Be it known that I, HAYNns L. THOMAS, a citizen of the United States, residing at Brunswick, in the county of Glynn and State of Georgia, have invented certain new and useful Improvements in a Saw Set; and I do hereby declare the following to be a full,

clear and exact description of the invention,

reason of the diameter thereof and the in adequacy of means ordinarily provided for supporting the saw in proper position with relation to the setting anvil and plunger or hammer; and with this object in view the invention consists in a construction and combination of parts of which a preferred embodiment is shown in the drawing, wherein:

Figure 1 is a side view, and

Figure 2 is a plan view of an apparatu embodying the invention.

Figure 3 is alongitudinal central sectional view of the same.

Figure 4t is a transverse section of the plunger or hammer guide on the plane indicated by theline 4- 1 of Figure 1.

Figure 5 is a similar view of the anvil carrying member on the plane indicated by the line 5-5 of Figure 1.

Figure 6 is a detail view of the gage lever by which the angular or rotary adjustment of the anvil and hammer or plunger is accomplished. Y

Figures 7 and 8 are respectively view of the hammer or plunger and the anvil.

The base 10 which forms a guide or track for the bearing block 11 adapted for actuation by a longitudinally disposed feed screw 12 having a terminal crank 13, is provided at one end with a substantial pedestal 14, intermediately cut away to form a recess 15 constituting a space between upper and lower jaws 16 and 17 which are vertically bored in communication with the recess to form a guide 18 for the depressible hammer or plunger 19 and a socket 20 for the reception of the anvil 21, said plunger and anvil consisting of preferably round bars having their adjacent extremities provided with complementary beveled" setting faces arranged ata suitable angle-for setting the teeth of a saw j I The upper side of the bearing block 11 is substantially in the plane of the upper end of the anvil bar and is provided with a conical seat 22 forthe reception of the COlll-w cal. journal block 23 adapted to be fitted into the shaft or arbor opening 24 of a circular saw 25 said journal block being mounted' upon a pin 26 rising from the bottom of the bearing block at the center of the conical seat therein and having a, collar 27 in which is mounted a thumb screw for adjustment into terminal engagement with the pin 26 to lock the journal block at the desired ad- 1 justment, said journal block being designed to exert a frictional resistance upon the saw blade to limit the rotary movement thereof and hold it. in proper position for the operation of the anvil teeth. I Fitted upon the hammer or plunger is a collar 29 between which and the upper end of the jaw 16 is arranged a springBO designed to yieldingly hold the plunger in its elevated position and therefore with its lower terminal die face out of contact with the face of the anvil to permit of the arrangement successively of the teeth of the and plunger upon its r saw between said faces for the setting operation. The upward movement of the plunger is limited by the contact of said c o1 lar 29 with a stop ring 31 supported by arms 32 which are arranged in contact with opposite sides of the upper jaw of the pedestal and are slotted as at 33 for engagement by the set screws 3a to the end that the stop ring may be adjusted to vary the extent of throw or vertical movement of the plunger.

17, said plates being keyed to the plunger and anvil so that by a swinging movement'of the lever of which the operatmg arm ex tends laterally from the pedestal, the anvil and plunger may be'rotated or adjusted angularly in their seats to a corresponding 1 extent in any direction to dispose the operative, beveled or guide faces thereof in the desired relation to the teeth of the saw to be set. Tn the construction illustrated the eyes of the gage lever are provided with keys 3? to engage grooves 38 and 39 in the plunger and anvil bar, and in order to lock the parts in their adjusted positions suited to the saw which is to be set a set screw 40 is fitted into a suitable lateral opening in the lower jaw of the pedestal, for terminal and locking engagement with the anvil bar as shown in Figure 5.

. In practice afterthe alternate teeth of the saw have been set with one adjustment of the parts, it being obvious that the upper exposed end of the hammer or plunger bar may be struck by suitable implements to force the guide face thereof into sufhciently forcible operative relation with the anvil to set said teeth, the lever may be reversed in position to extend from the oppositeside from the pedestal in an adjustment at the corresponding angle to effect the setting of the intermediate teeth to correspond with the previously set alternate teeth. The bifurcated or looped construction of the gagelever, with the eyes formed at the free ends of the side arms thereof provides a proper clearance for the saw blade to reach the proper position in rela-, tion to the anvil'and plunger.

, Having thus described the invention, what 1 claim is l. A saw setting apparatus having,in connection with saw supporting means, a pedestal provided with spaced aws, plunger and anvil elements rotatably mounted in seats in said'jaws with their operative faces ex posed in the interval therebetween, the plunger element being reciprocable to bring its operative face into operative relation with the anvil, and means for simultane ousiy and correspondingly turning said anvil and plunger element to vary the relation of the operative or die faces thereof with reference to the saw supporting medium.

consisting of a lever having spaced eyes keyed respectively to said plunger and anvil elements.

3. A saw setting a; paratus having, in connection with saw supporting means, a pedestal provided with spaced jaws, plunand anvil. elements rotatablv mounted in seats in said jaws with their operative faces exposed in the interval therebetween, the

plunger element being reciprocable to bring its guide face into operative relation with the anvil, and means for simultaneously and correspondin ly turning said anvil and plunger element to vary the relation of the operative or guide faces thereof with reference to the saw supporting medium, yielding means being provided for retracting the plunger element.

at. A saw setting apparatus having, in conneotion with saw supporting means, a pedestal provided with spaced jaws, plunger and anvil elements rotatably mounted in seats in said jaws with their operative faces exposed in the interval therebetween, the plunger element being reciprocable tov bring its operative face into operative relation with the anvil, and means for simultaneously and correspondingly turning said anvil and plunger element to vary the relation of the operative or guide faces thereof with reference to the saw supporting medium, a spring for retractii'lg the plunger element and stop mechanism for limiting the return movement of the plunger element and consisting of a ring arranged in the path of a collar on the plunger element and means for adjusting the ring parallelwith the path of movement of the plunger. I

5. A saw setting apparatus having, in connection with saw supporting means, a pedestal provided with spaced jaws, plunger and anvil elements rotatably mounted in seats in said jaws with their operative faces ex posed in the interval therebetween, the plunger element being reciprocable to bring its guide face into operative relation with the anvil, and means for simultaneously and correspondingly turning said anvil and plunger element to vary the relation of the operative or guide faces thereof with reference to the saw supporting medium, and consisting of a lever having spaced eyes keyed respectively to said plunger and anvil elements, a set screw being employed. for looking the anvil element in its adjusted positions.

6. A saw setting apparatus having saw positioning means, saw setting means including a coacting plunger and an anvil, means rotatably mounting said plunger and anvil, and an adjusting lever for said plunger and anvil having spaced plates one connected to the plunger and one connected to the anvil, the operation of the lever thus serving to vary the position of the plunger and anvil relatively to said saw positioning means.

In testimony whereof I affix my signature in presence of two witnesses.

HAYNES- L. THOMAS. Witnesses W. C. ANDERSON, F. HnnzoG. 

